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玉怕火烧吗-瑞安论坛
瑞安论坛 玉怕火烧吗

玉怕火烧吗

玉不怕火烧,但是火烧对玉是有一定的影响的,通常通过玉石的硬度来区别宝玉,玉石,彩石,一般而言宝石的摩氏硬度在七以上,就比如钻石红宝石蓝宝石翡翠宝石,但是欧泊宝石的比较例外,其硬度在5.5,高硬度的玉石的摩氏硬度为6到7.5之间。

皇冠梨是雪梨吗

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